Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 12 - Data switching networks
Patents for H04L 12 - Data switching networks (448,999)
05/1998
05/19/1998US5754589 Noncompressed voice and data communication over modem for a computer-based multifunction personal communications system
05/19/1998US5754552 Automatic communication protocol detection system and method for network systems
05/19/1998US5754551 Ring communication system and method for connecting a plurality of end stations
05/19/1998US5754549 Inexpensive two-way communications switch
05/19/1998US5754548 Interconnection of local communication bus system
05/19/1998US5754547 Routing method and system using an internet protocol
05/19/1998US5754543 Connectivity matrix-based multi-cost routing
05/19/1998US5754540 Expandable integrated circuit multiport repeater controller with multiple media independent interfaces and mixed media connections
05/19/1998US5754539 Local area network for use in office communications and a circuit arrangement therefor
05/19/1998US5754537 Method and system for transmitting background noise data
05/19/1998US5754532 Use of multipoint connection services to establish call-tapping points in a switched network
05/19/1998US5754531 Communication control method and communication apparatus
05/19/1998US5754530 Flow control of ABR traffic in ATM networks
05/19/1998US5754529 Method and circuit arrangement for forwarding message unit cells supplied from an ATM communication equipment
05/19/1998US5754528 Virtual ring configuration method and virtual ring system
05/19/1998US5754527 Line switching apparatus
05/19/1998US5754526 Channel switching method and channel switching controller
05/19/1998US5754525 Programmable delay of disrupt for secure networks
05/19/1998US5754306 System and method for a communication system
05/19/1998US5754120 Network congestion measurement method and apparatus
05/19/1998CA2162492C A method for determining communication resource handoffs
05/19/1998CA2068009C System for decentralizing uplink network control and minimizing overhead in radio frequency data communications network
05/14/1998WO1998020702A1 Method and apparatus for providing a derived digital telephone voice channel
05/14/1998WO1998020701A1 Architecture for distribution of voice over atm networks
05/14/1998WO1998020700A1 Switching fabric
05/14/1998WO1998020699A1 Switching transmission units to an equivalent circuit for the purposes of bidirectional asynchronous cell transfer
05/14/1998WO1998020693A2 Communication system, mobile services switching center and method for establishing a multi-dialogue communication between subscriber stations
05/14/1998WO1998020653A1 Access to telecommunications networks in a multiservice environment
05/14/1998WO1998020652A1 Method and apparatus for detecting disabled physical devices and deleting undeliverable cells
05/14/1998WO1998020651A1 Fault-tolerant butterfly switch
05/14/1998WO1998020650A1 Configurable connection fabric for providing serial backplanes with adaptive port/module bandwidth
05/14/1998WO1998020649A1 Network adapter utilizing an ethernet protocol and utilizing a digital subscriber line physical layer driver
05/14/1998WO1998020648A1 Method, device, wireless transceiver and computer for providing collision detection in wireless carrier sense multiple access systems
05/14/1998WO1998020647A1 Method and apparatus to translate data streams among multiple parties
05/14/1998WO1998020646A2 A system and a method for accessing services
05/14/1998WO1998020638A1 Mechanism to support a utopia interface over a backplane
05/14/1998WO1998020633A2 System and method for broadband millimeter wave data communication
05/14/1998WO1998020511A1 Method for explicit data rate control in a packet communication environment without data rate supervision
05/14/1998WO1998020425A2 A method for determining the number of accesses granted during wcl and apparatus
05/14/1998WO1998020410A1 System for integrating an on-line service community with a foreign service
05/14/1998WO1998009447A3 Apparatus and method for tracking world wide web browser requests across distinct domains
05/14/1998WO1998008153A3 Configurable graphical user interface useful in managing devices connected to a network
05/14/1998WO1998007256A3 Apparatus and method for detecting a layout of a switched local network
05/14/1998WO1997048198A3 Broadcast overlay protocol method and system
05/14/1998CA2281691A1 Method and apparatus for detecting disabled physical devices and deleting undeliverable cells
05/14/1998CA2278447A1 Method and apparatus to translate data streams among multiple parties
05/14/1998CA2270977A1 Switching fabric
05/14/1998CA2270931A1 Access to telecommunications networks in a multiservice environment
05/14/1998CA2270822A1 A system and a method for accessing services
05/14/1998CA2269285A1 Mechanism to support a utopia interface over a backplane
05/14/1998CA2213639A1 Extending internet calls to a telephony call center
05/13/1998EP0841834A2 Method and apparatus for a hitless switch-over between redundant signals
05/13/1998EP0841833A2 Data transfer system
05/13/1998EP0841832A2 Promiscuous network monitoring utilizing multicasting within a switch
05/13/1998EP0841831A2 Wan-based voice gateway
05/13/1998EP0841830A1 Method for the transmission of DECT frames
05/13/1998EP0841829A2 Resource pooling system and method in communication systems
05/13/1998EP0841824A2 Failure restoration system suitable for a large-scale network
05/13/1998EP0841791A1 Communication controller and method for controlling communication
05/13/1998EP0841790A1 Method for dynamic allocation of voice and image compression
05/13/1998EP0841789A2 Contents transmission control method with user authentication functions
05/13/1998EP0841785A2 Method and system for data transmission to control and/or monitoring devices
05/13/1998EP0841784A2 Packet switch for the transmission of PCM frames
05/13/1998EP0841783A2 ATM switch capable of detecting addressing errors
05/13/1998EP0841782A1 Broadcast isolation and level 3 network switch
05/13/1998EP0841781A2 Fibre channel switch employing distributed queuing
05/13/1998EP0841780A2 Compensation method for the propagation delay in a ring network
05/13/1998EP0841779A2 Method used by a participant in a ring communication network to enter and leave an energy saving mode
05/13/1998EP0841778A2 Communication control method in network system based on duplex loop transmission system
05/13/1998EP0841777A2 System for preserving sequential ordering and supporting idempotent commands in a ring network with busy nodes
05/13/1998EP0841776A1 Communication methods and electronic apparatus thereof
05/13/1998EP0841775A1 I/O method and device for a domestic communication system
05/13/1998EP0841774A2 Communication system and communication path control method
05/13/1998EP0841773A2 Apparatus providing connectivity between devices attached to different interfaces of the apparatus
05/13/1998EP0841772A2 Communications network traffic reporting system
05/13/1998EP0841763A1 Method for radio resource control
05/13/1998EP0840971A2 Crossbar switch and method with reduced voltage swing and no internal blocking data path
05/13/1998EP0840970A1 Telecommunications network interface
05/13/1998EP0840969A2 Universal object translation agent
05/13/1998EP0840968A1 Implementation of a fault-tolerant bus in a telecommunications network
05/13/1998EP0840967A1 Management of simultaneous users in an apparatus of a telecommunications network
05/13/1998EP0840962A1 Method of determining a receiver time at the moment of reception of a transmission time mark in received data elements
05/13/1998CN1181865A Packet data transfering method for mobile radio data communication system
05/13/1998CN1181856A Virtual path-based static routing
05/13/1998CN1181855A Method for initializing a wireless, packet-hopping network
05/13/1998CN1181853A SDH multiplexer with aim facilities
05/13/1998CN1181685A Access control method in communication system
05/13/1998CN1181672A Method for forming multiple bidirectional connections for use in asynchronous transfer mode switching device
05/13/1998CN1181671A CATV-based medium transmitting control method and network for realizing comprehesive business
05/13/1998CN1181670A Method for dynamic allocation of voice and image compression
05/13/1998CN1181669A Synchronization-message-based active reference switching unit
05/13/1998CN1181553A System and method for accessing data files in computer network
05/12/1998US5752247 Log access interface between a network and repositories
05/12/1998US5752193 Method and apparatus for communicating in a wireless communication system
05/12/1998US5752078 System for minimizing latency data reception and handling data packet error if detected while transferring data packet from adapter memory to host memory
05/12/1998US5752003 Architecture for managing traffic in a virtual LAN environment
05/12/1998US5751974 Contention resolution for a shared access bus
05/12/1998US5751971 Internet protocol (IP) work group routing
05/12/1998US5751969 Apparatus and methods for predicting and managing congestion in a network
05/12/1998US5751968 System and method for distributing multi-media presentations in a computer network
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